FOURTRACK MODELS Fourtrack Models : 7mm Scale : FourTrack Models Products : Accessories : Castings Mouldings & Turnings from our Kits : Rolling Stock Parts : Ventilators - Door & bodyside Castings Info. Product info. WF7641 Vent - Door - NSR Horsebox - 4 View Whitemetal Casting WF7642 Vent - Door - TVR CCT - 4 View Whitemetal Casting WF7643 Vent - Door 1st - Met Rly - 4 View Whitemetal Casting WF7644 Vent - Door 3rd - Met Rly - 4 View Whitemetal Casting WF7646 Vent - Door - Plain - L&YR 6w - 4 View Whitemetal Casting WF7647 Vent - Door - Anderson - L&YR 6w - 4 View Whitemetal Casting WF7651 Vent - Side - NSR Horsebox - 2 View Whitemetal Casting WF7652 Vent - Side - TVR CCT - 2 View Whitemetal Casting WF7653 Vent - Toilet - L&YR 6w - 2 View Whitemetal Casting WF7654 Vent - Long - L&YR 6w - 2 View Whitemetal Casting